Added AdminController
Changed DB_Generic to DB_MySql.
Changed DB_Test to use new MenuItem object.
Added id field to MenuItem.
MySqlMenuDataDAO uses DB_MySql and extra field for MenuItem.
index.html has a second form to handle a second button.
Added mystyle.css style sheet.
Added DataAccessException.  Not yet used.
IMenuDataDAO added getSelectedMenuItems() and getMenuItemByID().
MenuDataModelTest added getSelectedMenuItems() and getMenuItemByID(), but they are not yet implemented fully.
MySqlMenuDataDAO  added getSelectedMenuItems() and getMenuItemByID().  Made connection data into constants.  Added a main() for testing.
displaymenu.jsp uses the new id from the MenuItem object.